If you are sitting alone with a friend (maybe there are even three or four of you) and you are bored, you should try this game. Find out who can overcome all the obstacles better than anyone can.
Tube Jumpers unblocked game is one of the best multiplayer games. You only need one button to beat everyone. Just make sure that you are staying on your floating tube because you will lose if you touch the water. Oh, by the way, beware of some objects that will try to hit you. It can be a rock or a ball. Alternatively, it can be a big and scary shark that is willing to eat you.
Will you be able to tame the waves and stay in your floating tube longer than anyone else?